package src.lab03.test09;

import java.io.*;
import java.util.ArrayList;
import java.util.List;

/**
 * Created by阿阿阿阿豪丶 on 2017/12/8.
 */
public class Test {
    public static void main(String[] args) {

        //txt文件内容 ——>List
        //单步调试
        //断点
        List<Book> books = new ArrayList<>();

        String path = "D:\\Book.txt";
        String path1 = "D:\\book1.txt";

        BufferedReader reader = null;
        BufferedWriter writer = null;
        Book book = new Book();
        try {
            reader = new BufferedReader(new FileReader(path));
            String line = null;
            while ((line = reader.readLine()) != null){
                String[] tokens = line.split("\t");


                book.bookNo = Double.parseDouble(tokens[0]);
                book.bookName = tokens[1];
                book.version = tokens[2];
                book.price = Double.parseDouble(tokens[3]);
                book.sales = Double.parseDouble(tokens[4]);

                books.add(book);

            }
            int i = 1;
            for (Book b: books){
                if (i==3){

                    b.price = b.price+20;
                }
                if (i==4){
                    b.price = b.price+30;
                }

                i++;
            }
            writer = new BufferedWriter(new FileWriter(path1));
            for (Book b:books){
                writer.write(b.bookName+" "
                        +b.bookNo + " "
                        +b.price + " "
                        +b.version + " "
                        +b.sales);
            }




        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }}
